Silica Sand in artificial grass contains crystalline silica, which is "known to the State of California to cause cancer, birth defects and reproductive harm." If you turf has silica sand that is not crystalline silica free, then you need to place warning labels near your turf. Landscape or Sports Fields.

ZEOFILL is Safe to Use with NO Crystalline Silica

ZeoFill has been listed by the OMRI for Organic Use and is crystalline silica free. It is safe to use in your artificial grass according to the State of California. Therefore ZeoFill is the safest alternative to using silica sand as infill.